Stefan Lankes
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9af10f2f53
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fix bug in the calculation of the number of gdt entries
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
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2015-01-04 04:54:57 +01:00 |
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Stefan Lankes
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6eefe8f2bd
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disable FPU support
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2014-12-28 19:18:13 +01:00 |
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Stefan Lankes
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03cf4a4f94
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fix wrong page attributes
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2014-12-27 23:21:49 +01:00 |
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Stefan Lankes
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239ee0c051
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fix wrong initialization of CR4
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2014-12-27 23:20:45 +01:00 |
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9a2cb452e5
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fixes wrong return value of page_map(), fixes #2y
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
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2014-12-20 07:33:13 +01:00 |
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Stefan Lankes
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5ec1a4e98e
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add Steffen in the copyright statement
=> he complety redesign my paging implementation
=> clearly better than my previous version
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2014-12-05 07:29:38 +01:00 |
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Stefan Lankes
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4f6792e3c2
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Merge remote-tracking branch 'stv0g/stage5' into stage5
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2014-12-04 22:24:58 +01:00 |
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Stefan Lankes
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c0d69c96be
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add demo of a user-level process
dirty hack, map the function userfoo and its stack to user space
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2014-12-04 22:19:18 +01:00 |
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42571eb4eb
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added proper accounting of user used page frames
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2014-12-04 21:44:02 +01:00 |
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5c4e1cee4f
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add PG_PRESENT by default
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2014-12-04 21:38:41 +01:00 |
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09acfdfdf3
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rewrite of page_map_{copy,drop} functions
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2014-12-04 20:42:58 +01:00 |
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18378417a7
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added new custom paging flag to mark page table entries which are used for self-references
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2014-12-04 20:41:39 +01:00 |
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27274dad67
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added proper locking primitives for 'per task' page tables
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2014-12-04 20:35:19 +01:00 |
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67b8ca111a
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a few cleanups
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2014-12-04 20:33:28 +01:00 |
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Stefan Lankes
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e9960dc78e
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get_current_stack set CR3 => required for a context switch
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2014-12-03 23:10:32 +01:00 |
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2cf3c89a40
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fixed syntax errors and compiler warnings in new branch
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2014-11-28 03:20:31 +01:00 |
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1a20a9fb45
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Merge branch 'paging' into paging-fork
Conflicts:
arch/x86/mm/page.c
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2014-11-28 02:45:05 +01:00 |
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2189214003
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removed obsolescent variable
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2014-11-28 02:28:33 +01:00 |
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883756d0b4
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improved documentation
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2014-11-28 02:26:40 +01:00 |
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95791bb12c
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made pagefault handler more verbose
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2014-11-28 02:15:49 +01:00 |
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d289601a0e
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smaller cleanups
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2014-11-28 02:15:15 +01:00 |
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b33107eef7
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removed userspace fork/kill support to separate branch
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2014-11-28 02:00:35 +01:00 |
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a471243f83
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added first version of userspace fork/kill support to new branch
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2014-11-28 01:42:41 +01:00 |
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58876ffe05
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simplified code, fixed smaller bugs
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2014-11-28 01:39:56 +01:00 |
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84fb712308
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removed unnecessary TLB flush
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2014-08-21 22:26:19 +02:00 |
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d190d4c46c
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create self-reference directly in assembler .data section
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2014-08-21 22:25:45 +02:00 |
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fbf55178c1
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added first version of paging code
(only page_map() works for now)
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2014-08-21 20:17:02 +02:00 |
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9b4714113a
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added functions to handle TLB invalidation and control register access
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2014-08-21 20:14:59 +02:00 |
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e514ae24f8
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added some preprocessor macros for upcoming paging code
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2014-08-21 20:13:55 +02:00 |
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838ad909c6
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replaced multiboot_init() by global pointer in entry.asm
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2014-06-30 12:15:52 +02:00 |
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ee3166c21b
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enabled paging by using a transparent idendity paging during boot
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2014-06-30 01:47:33 +02:00 |
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2621c0b261
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fixed comment capitalization, style and indentions
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2014-06-30 01:46:59 +02:00 |
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153447482a
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added headers for paging code
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2014-06-30 00:15:20 +02:00 |
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92c90c299a
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added bitmap initialization based on Multiboot infos
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2014-06-30 00:10:04 +02:00 |
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Stefan Lankes
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c71b6c6c8a
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Simplify code, add additional comments
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2014-01-22 12:15:15 +01:00 |
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Stefan Lankes
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eb8859d706
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extending example task, fix bug in handling of the TSS
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2014-01-22 12:13:30 +01:00 |
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Stefan Lankes
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b83bc1d261
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add first steps to support user-level tasks
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2014-01-22 12:12:39 +01:00 |
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Stefan Lankes
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aed7b1ce8d
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simplify code
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2013-11-28 22:53:14 +01:00 |
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Stefan Lankes
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ff0cf28a27
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add handler for the timer interrupt
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2013-11-27 22:50:19 +01:00 |
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Stefan Lankes
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87801a1706
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add preemptive multitasking and interrupt handling
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2013-11-27 22:49:30 +01:00 |
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Stefan Lankes
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ed27254338
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add irq save spinlocks and semaphores
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2013-11-27 22:36:34 +01:00 |
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Stefan Lankes
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ab28a5e612
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add a basic spinlock, which based on a ticket lock
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2013-11-26 09:15:43 +01:00 |
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Stefan Lankes
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949cbb5119
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Add basic atomic operations which will be used in locking-mechanisms.
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2013-11-26 09:13:57 +01:00 |
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Stefan Lankes
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67926d7c65
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add support of nonpreemptive multitasking and additional comments
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2013-11-19 23:11:53 +01:00 |
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Stefan Lankes
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682936c57d
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add missing description
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2013-11-12 09:26:19 +01:00 |
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Stefan Lankes
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bf6673ba40
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remove obsolete code
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2013-11-12 09:23:21 +01:00 |
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Stefan Lankes
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d9bf1e00a7
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remove obsolete code
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2013-11-12 08:51:50 +01:00 |
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Stefan Lankes
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9ac39ba7ea
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add documentation into the source code
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2013-11-08 22:55:29 +01:00 |
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Stefan Lankes
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4fd2b7f90c
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add highly tuned assmbler functions for basic string operations
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2013-11-08 22:06:07 +01:00 |
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Stefan Lankes
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07b2250270
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add the "smallest" HelloWorld of the world
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2013-11-08 17:22:37 +01:00 |
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